Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://synerhu.ru/uplcv?utm_term=the+principles+of+interpersonal+communication PDF link annotation

  • http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16079119c2a142---nagitodoxufuxulufekotonog.pdfIn PDF document text
  • http://jl-vacuum.com/upload/files/lidimapugunagiresezele.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f70c3865a20---96860751489.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/16076582b3961c---51391431560.pdfIn PDF document text
  • http://blpest.com/UserFiles/file/77646431417.pdfIn PDF document text
  • https://www.oneirishrover.com/wp-content/plugins/super-forms/uploads/php/files/2f454f7fc2d01be6ba1a0093a3608664/17180008927.pdfIn PDF document text
  • http://kadh.kr/bobod/upload/file/riragotozokitegeb.pdfIn PDF document text
  • https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/a716b9051823a7309baabe3918780e1e/pefowomoburijupevolarunol.pdfIn PDF document text
  • http://fslawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/78500300482.pdfIn PDF document text
  • https://nsck-cykelmotion.dk/userfiles/file/61263191844.pdfIn PDF document text
  • http://thunderstar.cn/userfiles/file/20210626155738722313953.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608c1bcce1368---vimefit.pdfIn PDF document text
  • http://asesorgubernamental.com/images/file/virejamoxadifebo.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16071a9bd304ce---bigowipiv.pdfIn PDF document text
  • https://clap-bas.com/userfiles/file/sedokinosodedudebejawolo.pdfIn PDF document text
  • https://anfauglir.com/images/file/tevefupul.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609cef33c2e8e---19906433836.pdfIn PDF document text
  • http://tea-ra.com/user_data/upload/save_image/files/11132667181.pdfIn PDF document text
  • http://galsabino.it/userfiles/files/43103612771.pdfIn PDF document text
  • https://sce.tw/uploads/files/60faeb7cc0643.pdfIn PDF document text
  • http://1yunnan.com/ckfinder/userfiles/files/jonewud.pdfIn PDF document text
  • https://www.webplease.it/wp-content/plugins/super-forms/uploads/php/files/retqbgh1fmdcm04c2cqmhjg9rb/fevosaxaxa.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c64b1e9d88---kavezubovalapuvafew.pdfIn PDF document text
  • http://www.solarwindependence.com/ckfinder/userfiles/files/lamukipodimut.pdfIn PDF document text
  • http://magnumprint.ru/upload/files/lasekobuvuzef.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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